gpt-realtime-1.5

by OpenAI — Price updated 2026-04-04

Pricing ($/1M tokens)
Input $4.00
Output $16.00
Cache Read $0.40
Specifications
Context Window 32,000
Max Output 4,096
Input text
Output text
Tool Calling
About This Model

gpt-realtime-1.5 is a premium language model from OpenAI.

It supports a context window of 32K tokens with up to 4K output tokens.

Key capabilities include tool calling.

At $4.00/1M input tokens, it is positioned at the premium end of the pricing spectrum.

OpenAI offers 87 models in total, spanning different price points and capability levels.